- adiposogenital syndrome
- arenaria serpyllifolia
- athelstan
- atelomyelia
- ambient condition
- ambient noise
- air gas
- an ice_sheet
- arthur
- antarthric
- a sect of vaishṉāvas wherein the devotee considers himself to be his deity's spouse
- an object of affection
- a gem amongst women
- antistatic rubber
- aortic isthmus
- anterior nasal packing
- antituberculosis test
- anaphylactoid
- achylic chloroanaemia
- anterior frontal curve
- auriculated
- amphiphilic
- absolute symmetry
- anion_active agent
- anionic site
- antiarrythmic property
- antigenic stimulus
- acquired resistance
- atropinization
- antidromic vasodilator fibre
- anteverted
- antenna spacing
- algorithmic
- acraldehyde
- allen screw
- acinar unit
- acinar lesion
- ascoma
- agranulocyte
- angiomatous
- albumin_globulin ratio
- absorption ointment base
- an assiduous job
- antigua
- anoxic nephrosis
- anthropometrical
- anthropometric
- adrenocortical
- antiproton
- antineutron